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Related Experiment Videos

The relationship between digital and ocular vasospasm.

U Guthauser1, J Flammer, F Mahler

  • 1Department of Ophthalmology, University of Basle, Switzerland.

Graefe'S Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Fur Klinische Und Experimentelle Ophthalmologie
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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This study links cold hands to ocular vasospasms, confirmed by visual field tests and nailfold capillary observations. Findings suggest a connection between cold sensitivity and eye blood vessel spasms.

Area of Science:

  • Ophthalmology
  • Vascular Biology
  • Medical Diagnostics

Background:

  • Ocular vasospasms can affect visual field test results.
  • Patient history of cold extremities may indicate underlying vascular issues.
  • Nailfold capillaroscopy offers insights into microvascular function.

Purpose of the Study:

  • To investigate the relationship between ocular vasospasms and a history of cold hands.
  • To correlate visual field test outcomes with nailfold capillary findings.
  • To assess the impact of cold exposure and nifedipine on ocular vasospasms.

Main Methods:

  • Visual field testing to assess ocular vasospasms.
  • Patient interviews regarding history of cold hands.
  • Nailfold capillaroscopy to evaluate capillary blood flow.

Related Experiment Videos

  • Cold provocation tests on fingers.

    • Main Results:

    • A statistically significant relationship was found between a history of cold hands and both perimetric (visual field) and capillaroscopic (nailfold capillary) test results.
    • Visual fields deteriorated after cold hand exposure and improved with nifedipine in some patients.
    • Cold provocation significantly reduced capillary blood flow in patients with vasospastic tendencies.

    Conclusions:

    • A history of cold hands is significantly associated with ocular vasospasms.
    • Perimetric and capillaroscopic findings are correlated, supporting a link between systemic vascular responses and ocular health.
    • These findings highlight the potential for non-invasive tests to identify patients at risk for vasospastic conditions affecting the eyes.